City should be around 11 mpg and Hwy should be around 18 mpg.
12-13 mpg
The 1996 Ram is fuel injected and does not have a choke.
have a 4x4 ram 360 and mileage is 8-10 mpg and sometimes 12 on highway
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230HP @ 4400 RPM
Depends on the vehicle. The 318 was used in dozens of vehicles (Ram, Ram Van, Jeeps, AMCs, etc) Virtually every RWD Dodge vehicle had a 318 option. And with that, averages 10-12mpg (older vehicles) to 11-16mpg (newer vehicles)
Blown head gasket.
It may be a stuck pcv valve.
5w30 or 10w30
Follow the upper radiator hose to the engine, it is under that housing.